Porcelain-enameled table top and method of making the same



.Pune 24, 1924.

M. N. HURD PORCELAIN ENMELED TABLE TOP AND METHOD OF MAKING THE SAME Filed Nov. 2O '1923 i: N. HUND, or rnAonT, IINDIANA, AssIeNon To INGNAM-nlonsoN MANUFACTURING COMPANY, or knEAvEia FALLS, TIoN or PENNSYLVANIA.

PORCELAIN-ENAMEL@ TABLE Tor AND METHOD or MAKING Appuati'on mea November 2o, 192s. sei-m1 No. 675,972.V

To all whom z't may concern: structure as shown on Figs. 2, 3, 4 a/n'd 5.

Y Be it known that I, MARION N. HUND, a The structure is thencovered on the upper citizen .of the United States, residing at surface of the member 1, the outer surface Frankfort, in the county of Clinton and State of Indiana, have invented new and useful Improvements in Porcelain-Enameled Table Tops and Methods of Making the Same.

My invention relates to porcelain enameled table-tops and methods of making the same. In the manufacture of table-tops of the class described and that variety thereof which has an inturned metal -flange at the lower edge of the vertical flange surrounding the table-top, it has been customary to place porcelain enamel on the lower side of the said inturned metal flange. l have found that ifthe porcelain enamel be wipedoif F ig. 4. Then that beneath the coat 4 on the member 3 is wipe o, leaving the appearance as shown on Fig. 5. The structure so coated is again placed in the enameling furnace and burned in the usual manner.

ln the shipping or other handling of tableneath the member 3, the 'coat 5 on the'outer and broken, due to lmocks orf/other injuries applied toy the under side 'of the said Harige from the lower side of the said inturned 3. llt is to be understood that the coat 5 is' flange" befoie the porcelain enamel on the 0f a glassy 'nature and is quite brittle and remainder of the table top is burnt or lired that any checking or breaking of the enamel the bottom of the flange will be finished in beneath the flange 3,would be hvery likely to better condition and the porcelain enamel Jbe extended into the enamel on the outer burnt on the said vertical ange which surface of the member 2. The coat 4 of rounds the table top will not become cracked enamel on the bottom of the flanV e 3 is thin or broken in handling or use. and is not liable to break as easi y as white A This will be better understood by referenamel whichhasa greater thickness.- ence to the accompanying' drawings in which It is common to lay thel table-tops on Fig. lis a perspective view` of a table top, racks in the enameling furnace. If the 3o the view showing the under side of the table table-top shown would be laced in the entop Fig. 2, is a'sectional view showing a ameling furnace with the ange or member corner of ya table topinits finished condition; 3 downward and` if this iiange so coated is' Fig. 3, a sectional view through one ed e placedupon the usual racks therein, thisl of the table-top, showing the first step-1n. coat will become more or less Amarred durthe coatin ofthe table-top; Fig. 4, a view ing the enameling process.

similar to ig. 3, showin the next step, and

Fig. 5, a view similar tel ig. 4, showing the 5 from beneath the flange 3 or the coat 4 final step in the manufactureV of the table-l top?, v l f lower side of the ange 3 or the coat 4 there- 40 efore the table-top has been coated with on, I provide a porcelain enamel table-top enamel it comprises a sheet metal structure whosey enameled-surfaceof the member 2 is having the horizontal top member ,1, the not liable to become cracked orbroken andv vertical middle iange or member 2 surthat has the under surface of the flange 3 roundin themember l and connected thereor the coat'4 thereon unmarred by rack to, and t e inturned flangeor member 3 conmarks.

nectedto the lower edge ofthe member. 2. Although the drawing shows but a single The metal structure justdescribed is covcoat 5-of enamel on the prime coat 4, it is to lered with a-prime coat 4of clear or dark be u-nderstood that 3there may and very often blue enamel andthis coated structure is are two,three or even four coats( t ereon, 59 placed in an enameling furnace in which the there being employed arsuliicient number of enamel is burned on the said metal structure. coats to cover defects,` but each coat is ap.

The coat of enamel may` cover the entire plied as the lfirst coat 5 and is .wiped olf from PENNSYLVANIA, A CORPORA- of the member 2, and the lower surface of the member 3 with a coat 5 of porcelain. enamel having the desired colorl as shown 'on part. of the coat 5 lying' .tops which have the coat 5 extending be It is thus seen that by removing the coat thereon, or by not applying the coat 5 to the' side of the member 2 often becomescracked the lower surface of the prime coat 4f on the bottom of the flange 3 before each firing operation.

1. ln a table-top, a sheet-metal top member, a vertical sheet metal pendent flange member connected to the edge' of the top member,- an inturned Harige member connected to the bottom of the pendent flange member, a ground coat of enamel on the sheet-members, and a porcelain enamel coat on the ground coat on the upper surface of the top member and of the pendent ange member, but not on the ground coat on the under surface of the inturned flange member.

2. lln a table-top, a sheet-metal top member, a vertical sheet metal pendent ange member connected to the edge of the top member, an inturned flange member connected to the bottom of the pendent flange member, and a porcelain enamel coat over the upper surface of the top member and of the pendent flange member, but not on the ground coat on the under surface of the inturned flange memben 3. |llhe method of manufacturing an enameled sheet-metal table-top, which consists in making a sheet-metal top member with a ineaeer pendent flange connected to its edge and with an inturned flange connected to the lower edge of the pendentl flange, then coating the table-top with a ground coat ofenamel, burning the same on the sheet metal,`

4. The method of manufacturing anA enameled sheet-metal table-top, which consists in making a sheet-metal top member With a pendent flange connected to its edge and with an inturned flange connected to the lower edge of the pendent ange, then coating the' table top with a ground coat of enamel, burning the same on the sheet-metal, coating the ground coat on the upper surface of the top member, the outer surface of the pendent flange, and the lower surface of the inturned ange with a coat of porcelain enamel, removing the latter coat from the latter flange, and burning the remaining portion of the porcelain enamel coat on its supporting structure.

lfn testimony whereof, ll hereunto ax my signature this Mtb day of November, 1923.

MARN HURD. 

